Trellis



FIG. 1 is a perspective view of a trellis;

FIG. 2 is a front view thereof; the rear view being identical;

FIG. 3 is a left side view thereof, the right side view being identical;

FIG. 4 is a top view thereof; and,

FIG. 5 is a bottom view thereof.

CLAIM The ornamental design for a trellis, as shown and described.